packet_counter.cpp

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 *    notice, this list of conditions and the following disclaimer.
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 *    notice, this list of conditions and the following disclaimer in the
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#ifdef HAVE_CONFIG_H
#include "config.h"
#include "config_unix.h"
#include "config_win32.h"
#endif // defined HAVE_CONFIG_H
 
#include "utils/packet_counter.h"
#include <map>
#include <vector>
 
using std::map;
using std::vector;
 
struct packet_counter {
        explicit packet_counter(int ns) : substream_data(ns) {}
 
        void register_packet(int substream_id, int bufnum, int offset, int len) {
                substream_data.at(substream_id)[bufnum][offset] = len;
        }
 
        int get_total_bytes() {
                int ret = 0;
 
                for (auto &&chan : substream_data) {
                        for (auto &&buffer : chan) {
                                for (auto &&packet : buffer.second) {
                                        ret += packet.second;
                                }
                        }
                }
 
                return ret;
        }
 
        int get_all_bytes() {
                int ret = 0;
 
                for (auto &&chan : substream_data) {
                        for (auto &buf : chan) {
                                if (!buf.second.empty()) {
                                        ret += (--buf.second.end())->first +
                                               (--buf.second.end())->second;
                                }
                        }
                }
 
                return ret;
        }
 
        void clear() {
                for (auto &&chan : substream_data) {
                        chan.clear();
                }
        }
 
        vector<map<int, map<int, int> > > substream_data;
};
 
struct packet_counter *packet_counter_init(int num_substreams) {
        return new packet_counter(num_substreams);
}
 
void packet_counter_destroy(struct packet_counter *state) {
        delete state;
}
 
void packet_counter_register_packet(struct packet_counter *state, unsigned int substream_id, unsigned int bufnum,
                unsigned int offset, unsigned int len)
{
        state->register_packet(substream_id, bufnum, offset, len);
}
 
int packet_counter_get_total_bytes(struct packet_counter *state)
{
        return state->get_total_bytes();
}
 
int packet_counter_get_all_bytes(struct packet_counter *state)
{
        return state->get_all_bytes();
}
 
int packet_counter_get_channels(struct packet_counter *state)
{
        return (int) state->substream_data.size();
}
 
void packet_counter_clear(struct packet_counter *state)
{
        state->clear();
}